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add rim lighting to toon shader

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This commit is contained in:
lightling 2022-04-19 21:36:28 -04:00
parent d04a1afb66
commit 6f84155ec3
Signed by: lightling
GPG key ID: 016F11E0AA296B67
1 changed files with 7 additions and 5 deletions
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12
ToonShader.hlsl
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@ -39,7 +39,7 @@ float RampDiffuse(float original)
float RampSpecular(float original) float RampSpecular(float original)
{ {
if (original < 0.95f) return 0.0f; if (original < 0.9f) return 0.0f;
return 1.0f; return 1.0f;
} }
@ -50,6 +50,7 @@ float4 main(VertexToPixel input) : SV_TARGET
input.tangent = normalize(input.tangent); input.tangent = normalize(input.tangent);
input.uv = input.uv * scale + offset; input.uv = input.uv * scale + offset;
float3 view = getView(cameraPosition, input.worldPosition); float3 view = getView(cameraPosition, input.worldPosition);
float3 normal = input.normal;
if (hasNormalMap > 0) if (hasNormalMap > 0)
{ {
@ -57,7 +58,7 @@ float4 main(VertexToPixel input) : SV_TARGET
float3 T = normalize(input.tangent - input.normal * dot(input.tangent, input.normal)); float3 T = normalize(input.tangent - input.normal * dot(input.tangent, input.normal));
float3 B = cross(T, input.normal); float3 B = cross(T, input.normal);
float3x3 TBN = float3x3(T, B, input.normal); float3x3 TBN = float3x3(T, B, input.normal);
input.normal = mul(unpackedNormal, TBN); normal = mul(unpackedNormal, TBN);
} }
float specularValue = 1; float specularValue = 1;
@ -84,13 +85,14 @@ float4 main(VertexToPixel input) : SV_TARGET
break; break;
} }
float diffuse = RampDiffuse(getDiffuse(input.normal, toLight)); float diffuse = RampDiffuse(getDiffuse(normal, toLight));
float specular = RampSpecular(calculateSpecular(input.normal, toLight, view, specularValue, diffuse) * roughness); float specular = RampSpecular(calculateSpecular(normal, toLight, view, specularValue, diffuse) * roughness);
light += (diffuse * surface.rgb + specular) * attenuate * lights[i].Intensity * lights[i].Color; light += (diffuse * surface.rgb + specular) * attenuate * lights[i].Intensity * lights[i].Color;
} }
float3 final = float3(light/* + (emit * emitAmount)*/); float4 rim = RampSpecular(1 - dot(view, input.normal));
float3 final = float3(light + rim/* + (emit * emitAmount)*/);
return float4(pow(final, 1.0f / 2.2f), albedo.a); return float4(pow(final, 1.0f / 2.2f), albedo.a);
} }